<template>
  <div style="background-color: #f3f4f7;padding: 20px;">
    <div class="app-container">
      <el-row :gutter="10" class="mb8">
        <el-col :span="3.1">
          <el-button
            type="primary"
            plain
            class="continue"
            icon="el-icon-plus"
            @click="handleAdd('class')"
            v-hasPermi="['category:category:add']"
          >新增菜品分类</el-button>
        </el-col>
        <el-col :span="3">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            class="continue2"
            @click="handleAdd"
            v-hasPermi="['category:category:add']"
          >新增套餐分类</el-button>
        </el-col>
      </el-row>

      <el-table v-loading="loading" :data="categoryList" class="tableBox">
        <el-table-column label="分类名称" align="center" prop="name" />
        <el-table-column label="分类类型" align="center" prop="type">
          <template slot-scope="scope">
            <span>{{ scope.row.type == '1' ? '菜品分类': '套餐分类' }}</span>
          </template>
        </el-table-column>
        <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
          <template slot-scope="scope">
            {{scope.row.updateTime}}
          </template>
        </el-table-column>
        <el-table-column label="排序" align="center" prop="sort" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['category:category:edit']"
            >修改</el-button>
            <el-button
              style="color: red"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['category:category:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />

      <!-- 添加或修改菜品及套餐分类对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="分类名称" prop="name">
            <el-input v-model="form.name" placeholder="请输入分类名称" />
          </el-form-item>
          <el-form-item label="排序" prop="sort">
            <el-input v-model="form.sort" placeholder="请输入排序" />
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/category/category";

export default {
  name: "Category",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 菜品及套餐分类表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "分类名称不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "排序不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询菜品及套餐分类列表 */
    getList() {
      this.loading = true;
      listCategory(this.queryParams).then(response => {
        this.categoryList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        type: null,
        name: null,
        sort: null,
        createTime: null,
        updateTime: null,
        createUser: null,
        updateUser: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(st) {
      this.reset();
      if (st == 'class') {
        this.title = '新增菜品分类'
        this.form.type = 1;
      } else {
        this.title = '新增套餐分类'
        this.form.type = 2;
      }
      this.open = true;
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id;
      getCategory(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改菜品及套餐分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCategory(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id;
      this.$modal.confirm('是否确认删除菜品及套餐分类编号为"' +  row.name + '"的数据项？').then(function() {
        return delCategory(id);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    }
  }
};
</script>
